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#include<iostream>using namespace std;class Base1{ public: virtual void display() const=0;};class Base2:public Base1{ public: void display() const;};v 阅读全文
posted @ 2023-04-19 14:24
不会JAVA的小袁
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#include<iostream>using namespace std;class Base{ public: ~Base();};Base::~Base() { cout<<"Base destructor"<<endl;}class Derived:public Base{ public: 阅读全文
posted @ 2023-04-19 14:11
不会JAVA的小袁
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#include<iostream>using namespace std;class Base1{ public: virtual void display() const;};void Base1::display() const{ cout<<"Base1::display()"<<endl; 阅读全文
posted @ 2023-04-19 13:55
不会JAVA的小袁
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#include<iostream>using namespace std;class Complex{ public: Complex(double r=0.0,double i=0.0):real(r),imag(i) {} friend Complex operator+(const Comp 阅读全文
posted @ 2023-04-19 13:42
不会JAVA的小袁
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